20837966

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{1567}}^1$

素因数の和:1739

約数の個数: 16

約数和(自身を含む): 32081280

約数和(自身を除く): 11243314

約数列:

[1, 2, 61, 109, 122, 218, 1567, 3134, 6649, 13298, 95587, 170803, 191174, 341606, 10418983, 20837966]

約数ペア:

[(1, 20837966), (2, 10418983), (61, 341606), (109, 191174), (122, 170803), (218, 95587), (1567, 13298), (3134, 6649)]